Kaiser Permanente Data Breach
Kaiser Permanente, one of the largest integrated non-profit healthcare providers in the United States, disclosed a major unauthorized health data exposure affecting 13.4 million current and former members.
Exposed Data Types
3 sensitive7- Medical record numbers
- Health portal navigation logs
- Health search queries
- Names
- IP addresses
- Account authentication status
- Device identifiers
About This Breach
The incident arose from third-party tracking technologies, analytics scripts, and pixel trackers deployed across its member portal and mobile applications. Disclosed information transmitted to commercial analytics vendors includes member names, medical record numbers, IP addresses, portal navigation flows, health encyclopedia search queries, and device identifiers.
Verification and editorial method
LeakData compares the incident name, date, affected-record count, and exposed data types with accessible sources. Unverified fields are not presented as facts, and records are updated when new evidence becomes available.
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